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Rough idle, hesitation at wot and down on power

Motodude310

Go Kart Champion
So about a month and a half ago my hpfp went out. I bought the part and replaced it myself and the car hasn't felt right since. It idles fine in neutral and park, but pretty rough in gear. Basically there is a lot of vibration.

Also when I let the revs sit at 4k then floor it it goes, stops accelerating, then starts going again. But still not with as much power as normal.

After some time of trying to troubleshoot the problem it's still there. All of the clamps on the intake are good. Just had fuel filter and DSG fluid changed, and requested boost is met consistently. Is there something I could have screwed up with the hpfp install? Any help would be appreciated. Thanks.
 
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